29. AEDETTA. 221 



Key to the Species. 



A. Back and scapulars uniform. 

 a. Crown of head black or blackish. 



a'. Greater coverts whitish, or ashy, or 



creamy butf, but never chestnut} 



tail black. 



a". Wing-coverts creamy buff, the 



greater series whitish ; neck-frill 



ochreous or ashy fulvous ; back and 



scapulars black ; a dusky patch on 



the lesser wing-coverts minuta cJ, p. 222, 



b". Wing-coverts orange-buff; greater 

 series lavender-grey ; neck-frill 

 bright chestnut lilie the sides of the 

 face and eyebrow ; back and 

 scapulars black ; a chestnut patch 



on the lesser wing-coverts jmdicipes ^ , p. 225. 



c". Wing-coverts light clay-colour; 

 greater coverts slightly paler at the 

 tips ; neck-frill vinaceous ; sides of 

 face also vinaceous ; back and 



scapulars clay-brown sinensis ^ , p. 227. 



v. Greater wing-coverts for the most part 

 chestnut or entirely chestnut. 

 iV. Back and scapulars greenish black. 

 a'". Greater coverts entirely chestnut ; 

 inner secondaries externally 

 chestnut. 

 «■*. Primary-coverts and secondaries 



Sir"!!.. .^5^!^:'...:?*']-^^-^?,?. 231. 



¥. Primary-coverts and secondaries ' "^"^^'^'^j P- 233. 



scarcely tipped with chestnut . erythromelas d , p. 234 

 c*. Outer greater coverts chestnut, 



inner ones clay-brown pusilla, p. 234. 



e". Back and scapulars chocolate or 

 chestnut-brown. 

 V". Flanks striped with blackish ; 

 primary-coverts and secondary- 

 quills distinctly tipped with 



rufous exilis $ , p. 231. 



c'" . Flanks uniform ; primary-coverts 

 and secondary quills slaty grey, 



with obsolete rufous tips erythromelas J , p. 234. 



h. Crown of head cinnamon-rufous like the 



back , cinnamomea J , p. 236. 



B. Back and scapulars mottled or streaked, not 

 uniform, 

 c. Primary-quills blackish ; not tipped with 

 red ; tail black, 

 c'. Inner secondaries like the back ; no 

 rufous tips to secondary quills. 

 /". Neck-frill chestnut ; the blackish . • . ^ mc. 



stripes on the flanks distinct ''''f.'^." ? ' P- 222. 



ipodicipes 5, p. 225. 



